littérature (1) analyse (1) abords (agglomération) (1) sentier (1) Context (1) Costs (1) Forms (1) Voyages and travels (1) Units of measurement (1) Spatial behavior (1) Process (Law) (1) Metric spaces (1) Literature (1) Distances (1) Concepts (1) Addition (1) Properties (1) Space (1) Analysis (1)